Home / 609,312.24-840,731.40-382,826.52

Finding the Fourth Proportional to 609,312.24, 840,731.40 and 382,826.52

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Solution

The fourth proportional to 609,312.24, 840,731.40 and 382,826.52 is: 528,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,312.24 : 840,731.40 = 382,826.52 : x
  2. Step 2: Convert to fraction form
    609,312.24/840,731.40 = 382,826.52/x
  3. Step 3: Cross multiply
    609,312.24x = 840,731.40 × 382,826.52
  4. Step 4: Simplify right side
    609,312.24x = 321,854,276,116.73
  5. Step 5: Solve for x
    x = 321,854,276,116.73/609,312.24
  6. Step 6: Final answer
    x = 528,225.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.